package com.guotai.meet.controller;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import com.guotai.meet.entity.UserSystem;

/**
 * 拦截器
 * @author Information
 *
 */
public class LoginInterceptor implements HandlerInterceptor{

	@Override
	public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)
			throws Exception {
		  UserSystem user=(UserSystem)request.getSession().getAttribute("loginUser");
           if (user == null) {
        	   System.out.println("尚未登录，调到登录页面");
        	   response.sendRedirect(request.getContextPath() + "/userSystem/loginIndex");
        	   return false;
           }
           return true;
           
	}

	@Override
	public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler,
			ModelAndView modelAndView) throws Exception {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex)
			throws Exception {
		// TODO Auto-generated method stub
		
	}

}
